Business Process Model and Notation (BPMN) Elements
Business Process Model and Notation (BPMN) provides a standardized graphic notation for modeling business processes.
With its Business Process Model and Notation (BPMN), the Object Management Group (OMG) provides a standardized graphic notation for modeling business processes. Innovator for Business Analysts uses graphic notation elements which are also used in the OMG specification.

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Comment
Comments are supplementary notes for a model element.
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Frames
You can use a rectangular frame to visually group diagram elements.
You primarily use the following diagram type for business processes: